Sri Lanka weather

Our guide to the weather in Sri Lanka during October

30

Average high

6

UV Index

428mm

Monthly rainfall

28

Sea temperature

Sri Lanka is a unique and diverse destination, offering an array of cultural, historical, and natural attractions. October is a great time to visit, as temperatures are mild and rainfall is usually low. We've looked at the most up-to-date weather data for Sri Lanka, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Sri Lanka weather in October.

How warm is it in Sri Lanka during October?

Expect heat in Sri Lanka during October. The temperature hits about 30℃ during the day, falling away to a balmy 25℃ at night. Of course, the high humidity will make it feel even hotter. The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.

Does it rain in Sri Lanka during October?

On average, there will be 14 rainy days during the month, amounting to 427.6mm in total. That's a lot of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. Due to the high temperature and humidity, you might expect lots of thunderstorms, however they're actually fairly infrequent at this time of year. On average, October will see just 6 days that produce a storm.

Is it windy in Sri Lanka during October?

You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in October. The high humidity and warm temperature will make the breeze feel warm, so any cooling effect will be limted.

How warm is the sea in Sri Lanka during October?

The water around Sri Lanka reaches a very pleasant 28℃ during October. This is very warm, and will feel bath-like. People who normally feel the cold will find this temperature perfectly acceptable. The hot air temperature and relatively high humidity will mean that you will feel comfortably warm when coming out of the water.

Join the club...

Be the first to hear about discounted holidays, flash sales and amazing travel competitions to Sri Lanka!

Weather in Sri Lanka

Our month-by-month guide to the weather and climate in Sri Lanka

31.3

Sri Lanka weather in

January
32.1

Sri Lanka weather in

February
32.3

Sri Lanka weather in

March
31.9

Sri Lanka weather in

April
30.5

Sri Lanka weather in

May
29.1

Sri Lanka weather in

June
28.9

Sri Lanka weather in

July
28.9

Sri Lanka weather in

August
29.2

Sri Lanka weather in

September
29.9

Sri Lanka weather in

October
30.3

Sri Lanka weather in

November
30.5

Sri Lanka weather in

December